Home / 39,420-46,710

Finding the Third Proportional to 39,420 and 46,710

Calculator

Solution

The third proportional to 39,420 and 46,710 is: 55,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420 : 46,710 = 46,710 : x
  2. Step 2: Convert to fraction form
    39,420/46,710 = 46,710/x
  3. Step 3: Cross multiply
    39,420x = 46,710 × 46,710
  4. Step 4: Simplify right side
    39,420x = 2,181,824,100
  5. Step 5: Solve for x
    x = 2,181,824,100/39,420
  6. Step 6: Final answer
    x = 55,348.15

Related Problems

Find third proportional to 19,710 and 23,355
Half scale
Find third proportional to 78,840 and 93,420
Double scale
Find third proportional to 39,422 and 46,712
Similar ratio
Find third proportional to 59,130 and 70,065
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.